Philips SM30 manual Alpha-Numeric LCD Display fig.4.1D, Music Function Keys fig.4.1E

Alpha-Numeric LCD Display (fig.4.1D)

In the normal ‘Run’ mode of the system, the back-lit LCD display indicates the name of the current music source (e.g. “TUNER”, or “MUSIC OFF”), plus the current music volume level.

LED (fig.4.1F)

A single LED is illuminated in ‘Run’ mode, indicating that the Music Function keys can be used.

Music Function Keys (fig.4.1E)

The current music source and the music volume level can be seen on the bottom line in the display.

Four keys are provided for use while the system is in its normal ‘Run’ mode. These allow the operator to select the music source; alter the volume level; and mute the music signal.

The keys are marked as follows:

+Music Volume up (fig.4.1L)

-Music Volume down (fig.4.1P)

0123 Music source Select (fig.4.1M)

Music Mute (fig.4.1Q)

When either ‘Music Volume up’ or ‘Music Volume down’ is pushed, the music volume changes in steps of ‘3’ over a range of ‘00’ to ‘99’ (Each step of 3 represents 2 dB, with ‘99’ equalling 0 dBV).

Any, or all of the four music control functions can also be activated via the:

■Function Keys on the Call Stations,

■Control inputs 1-4 on the Control Input Module.

		A		B	C	D	E	F
S M30								PHILIPS	PH ILIPS
Power
								+
								-
G	H	I	J	K				L	M
								+
					* SM 30 SYSTEM *
					TUNER 1	87		-
			N	O				P	Q

Fig. 4.1 - Front panel controls

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